/*
 * Copyright 2017-2022 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.lettuce.core.dynamic;

import java.util.Collections;
import java.util.Iterator;
import java.util.List;

import io.lettuce.core.protocol.RedisCommand;

/**
 * Result of a batching request. Contains references to the batched {@link RedisCommand}s.
 *
 * @author Mark Paluch
 * @since 5.0
 */
class BatchTasks implements Iterable<RedisCommand<?, ?, ?>> {

    public static final BatchTasks EMPTY = new BatchTasks(Collections.emptyList());

    private final List<RedisCommand<?, ?, ?>> futures;

    BatchTasks(List<RedisCommand<?, ?, ?>> futures) {
        this.futures = futures;
    }

    @Override
    public Iterator<RedisCommand<?, ?, ?>> iterator() {
        return futures.iterator();
    }

    @SuppressWarnings("rawtypes")
    public RedisCommand<?, ?, ?>[] toArray() {
        return futures.toArray(new RedisCommand[0]);
    }

}
